diff --git a/src/uipath_langchain/tracers/AsyncUiPathTracer.py b/src/uipath_langchain/tracers/AsyncUiPathTracer.py
index 3d6d07083..f61a583fb 100644
--- a/src/uipath_langchain/tracers/AsyncUiPathTracer.py
+++ b/src/uipath_langchain/tracers/AsyncUiPathTracer.py
@@ -118,7 +118,7 @@ async def start_trace(self, run_name, trace_id=None) -> None:
         trace_data = {
             "id": self.context.trace_id,
             "name": re.sub(
-                "[!@#$<>\.]", "", run_name
+                r"[!@#$<>\.]", "", run_name
             ),  # if we use these characters the Agents UI throws some error (but llmops backend seems fine)
             "referenceId": self.context.reference_id,
             "attributes": "{}",
diff --git a/src/uipath_langchain/tracers/UiPathTracer.py b/src/uipath_langchain/tracers/UiPathTracer.py
index ae7b5d72f..645541788 100644
--- a/src/uipath_langchain/tracers/UiPathTracer.py
+++ b/src/uipath_langchain/tracers/UiPathTracer.py
@@ -74,7 +74,7 @@ def start_trace(self, run_name, trace_id=None) -> None:
         trace_data = {
             "id": self.trace_parent,
             "name": re.sub(
-                "[!@#$<>\.]", "", run_name
+                r"[!@#$<>\.]", "", run_name
             ),  # if we use these characters the Agents UI throws some error (but llmops backend seems fine)
             "referenceId": self.referenceId,
             "attributes": "{}",